<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>js基础深化学习</title>
	<style>
		#home {
			height: 200px;
			width: 200px;
			background: red;
		}
	</style>
</head>

<body>
	<div id="home">

	</div>
</body>
<script>
	document.getElementById("home").innerHTML = "1111111111111"
</script>

</html>